Musgrave, Frank. Barron's how to prepare for the AP microeconomics/macroeconomics advanced placement examinations / Frank Musgrave, Elia Kacapyr. - Hauppauge, N.Y. : Barron's Educational Series, 2001. - 311 p. : ill. ; 28 cm. Includes index. ISBN: 0764111647 LCCN: 00051886 LC Class. No.: HB172 .M87 2001 / .M87 2001 Dewey Class. No.: 330/.076